Measurement of blood hematocrit inside the magnetically suspended centrifugal pump using an optical technique: Application to assessment of pump flow

Artificial Organs

Volumn 23, Issue 6, 1999, Pages 490-495

  Kaiwa, Takeshi ^a   Mori, Taketoshi ^b   Kijima, Toshihiko ^b   Nogawa, Masamichi ^a   Nojiri, Chisato ^b   Takatani, Setsuo ^a  

^a YAMAGATA UNIVERSITY   (Japan)

^b TERUMO CORPORATION   (Japan)

Author keywords

Hematocrit; Magnetically suspended centrifugal pump; Optical fiber

Indexed keywords

BACKSCATTERING; BLOOD; CENTRIFUGAL PUMPS; CENTRIFUGATION; DIAGNOSIS; INFRARED DEVICES; LIGHT SCATTERING; OPTICAL FIBERS;

BACK SCATTERING; FIBRE SEPARATION; HAEMATOCRIT; MAGNETICALLY SUSPENDED; MAGNETICALLY SUSPENDED CENTRIFUGAL PUMP; MEASUREMENTS OF; OPTICAL TECHNIQUE; PUMP FLOW; SCATTERING METHODS; SEPARATION DISTANCES;

FORWARD SCATTERING;

GLASS FIBER;

BLOOD PUMP; CENTRIFUGE; CONFERENCE PAPER; DIFFUSION; HEMATOCRIT; LIGHT SCATTERING; MAGNETISM; PRIORITY JOURNAL;

EID: 0033009742     PISSN: 0160564X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1525-1594.1999.06388.x     Document Type: Conference Paper

References (10)

1. 1. Nojiri C, Kijima T, Mackawa J, Horiuchi K, Kido T, Sugiyama T, Mori T, Sugiura N, Asada T, Shimane H, Nishimura K, Ban T, Akamatsu T, Ozaki T, Ito H, Suzuki M, Akutsu T. More than 1 year continuous operation of a centrifugal pump with a magnetically suspended impeller. ASAIO J 1997;43: M548-52.
2. 2. Tsukiya T, Akamatsu T, Nishimura K. Flow rate measurement for the magnetically suspended centrifugal blood pump. Jpn J Artif Organs 1997;26(1):98-102.
3. 3. Wakisaka Y, Okuzono Y, Taenaka Y, Chikanari K, Masuzawa T, Takano H. Establishment of flow estimation for an implantable centrifugal blood pump. ASAIO J 1997;34: M659-62.
4. 4. Twersky V. Absorption and multiple scattering by biological suspensions. J Optic Soc Am 1970;60(8):1084-93.
5. 5. Takatani S. On the theory and development of a noninvasive tissue reflectance oximeter. Ph.D. Dissertation. Cleveland, Ohio: Case Western Reserve University, Biomedical Engineering Department, 1978.
6. 6. Takatani S, Noda H, Takano H, Akutsu T. A miniature hybrid reflection type optical sensor for measurement of hemoglobin content and oxygen saturation of whole blood; IEEE Trans Biomed Eng 1988;35(3):187-98.
7. 7. Reynolds L. Three dimensional reflection and transmission equations for optical diffusion in blood, MS Thesis. Seattle, Washington: University of Washington, 1970.
8. 8. Ishimaru A. Wave propagation and scattering in random media and rough surfaces. Proceedings of the IEEE 1991;79(10): 1359-66.
9. 9. Ishimaru A, Tsang L. Backscattering enhancement of random discrete scatterers. J Optic Soc Am 1984:A/1(8)836-9.
10. 10. Jungkuk K, Lin JC. Successive order scattering transport approximation for laser light propagation in whole blood medium. IEEE Trans Biomed Eng 1998;45(4):505-10.